Updating crate socket2#0.4.0

Author: bors

so/ck/socket2

@@ -29,3 +29,4 @@
 {"name":"socket2","vers":"0.4.0-alpha.3","deps":[{"name":"libc","req":"^0.2.82","features":[],"optional":false,"default_features":true,"target":"cfg(unix)","kind":"normal"},{"name":"winapi","req":"^0.3.9","features":["handleapi","ws2ipdef","ws2tcpip"],"optional":false,"default_features":true,"target":"cfg(windows)","kind":"normal"}],"cksum":"2ff5f7c57341a1dda0d0289c719cbd0d53efbc2317cc9ef931421a8264c2629a","features":{"all":[]},"yanked":false,"links":null}
 {"name":"socket2","vers":"0.4.0-alpha.4","deps":[{"name":"libc","req":"^0.2.82","features":[],"optional":false,"default_features":true,"target":"cfg(unix)","kind":"normal"},{"name":"winapi","req":"^0.3.9","features":["handleapi","ws2ipdef","ws2tcpip"],"optional":false,"default_features":true,"target":"cfg(windows)","kind":"normal"}],"cksum":"d89a6e79092a841b8013391d4220309255692e6dbcc982a810fd79c99cd8e1cb","features":{"all":[]},"yanked":false,"links":null}
 {"name":"socket2","vers":"0.4.0-alpha.5","deps":[{"name":"libc","req":"^0.2.82","features":[],"optional":false,"default_features":true,"target":"cfg(unix)","kind":"normal"},{"name":"winapi","req":"^0.3.9","features":["handleapi","ws2ipdef","ws2tcpip"],"optional":false,"default_features":true,"target":"cfg(windows)","kind":"normal"}],"cksum":"aa837ba9d8224cbeb63b73e72c88b38d62201f50b8b766e16ddba3dfd79a3657","features":{"all":[]},"yanked":false,"links":null}
+{"name":"socket2","vers":"0.4.0","deps":[{"name":"libc","req":"^0.2.86","features":[],"optional":false,"default_features":true,"target":"cfg(unix)","kind":"normal"},{"name":"winapi","req":"^0.3.9","features":["handleapi","ws2ipdef","ws2tcpip"],"optional":false,"default_features":true,"target":"cfg(windows)","kind":"normal"}],"cksum":"9e3dfc207c526015c632472a77be09cf1b6e46866581aecae5cc38fb4235dea2","features":{"all":[]},"yanked":false,"links":null}